ClassA Motor
BLDC MotorLeadshine BLM57 · 57 mm

BLM57130

130 W, 36 V 57 mm BLDC motor from Leadshine: 0.41 N·m rated at 3000 rpm.

Manufacturer datasheet: Leadshine · BLM57130 ↗ (checked 2026-10-18)Maker profile & contacts →

Figures are copied from the maker’s published datasheet; curves are calculated from them. Confirm with the manufacturer before ordering. Not stated on the datasheet, estimated from it: no-load current, torque constant (fitted to the rated point), insulation class, IP rating.

Applications:Industrial Automation3D Printing & CNCPackaging
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How this motor is made

Full manufacturing overview: 57 mm Inner-rotor BLDC Motor →

57 mm frame; built with the same process as the 57 mm inner-rotor reference series.

Assembly steps
11
Equipment types
14
BOM lines
13
PRD suppliers
88
  1. 1. Lamination stamping & interlocking
  2. 2. Stator insulation
  3. 3. Winding
  4. 4. Terminal connection
  5. 5. Stator in-process test
  6. 6. Impregnation & curing
  7. 7. Rotor assembly
  8. 8. Magnetizing
  9. 9. Rotor balancing
  10. 10. Final assembly
  11. 11. End-of-line test

Export certification: Low-voltage motor without electronics

Rated power
129 W
Rated torque
0.41 N·m
Rated speed
3,000 rpm
Rated efficiency
67.5 %

Performance curves

Right axis:
01,0002,0003,0004,0000204060800246Torque (N·m)Speed (rpm)Efficiency (%)Rated point
SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 36 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type
BLDC Motor
Series
Leadshine BLM57
Frame / flange
57 mm

Rated Values

Rated voltage
36 V
Rated power
129 W
Rated torque
0.41 N·m
Rated speed
3,000 rpm
Rated current
5.3 A

Performance

Stall torque
5.8 N·m
No-load speed
3,228 rpm
Rated efficiency
67.5 %
Peak efficiency
71.6 %

Electrical

Torque constant Kt
0.104 N·m/A
Back-EMF constant Ke
10.9 V/krpm
Resistance
0.63 Ω
Inductance
2.17 mH
No-load current
1.36 A
Stall current
57.1 A
Poles
4
Electrical time constant
3.44 ms
Mechanical time constant
1.01 ms

Mechanical

Rotor inertia
173 g·cm²
Body length
120 mm
Shaft diameter
8 mm
Weight
1 kg
Power density
129 W/kg
Insulation class
B
Protection
IP40

Compatible drivers

All drivers →

Drivers whose supply voltage covers this motor and whose continuous current is at least its rated current; drivers from the same maker first. Confirm Hall/encoder type and settings with the maker.

ModelMakerMotor typeSupplyCont. / peak currentFeedback
APS-06D48-RALTETechServoBLDC, Servo, DC18–48 V DC6 A / 18 AIncremental encoder, Hall sensors, Sensorless
ZM-BL4810FZemingBLDC18–50 V DC10 AHall sensors, Sensorless
ZM-BL48D10ZemingBLDC18–50 V DC10 AHall sensors, Sensorless
ZM-BL4810KZemingBLDC18–50 V DC10 AHall sensors, Sensorless
DBL-2420RMayi MotorBLDC22–36 V DC10 A
DBL-4820RMayi MotorBLDC27–56 V DC10 A

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